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Watery Facts

The Pacific Ocean is three times bigger than Asia, the biggest continent on Earth. It covers nearly one-third of the Earth's surface. Its widest part is about 1770 km or 11000 miles. That distance would take you halfway around the world. Ninety seven per cent of all the water on Earth is salty. Only 3 per cent is fresh water....

My Robot Robbi

Have you ever seen a robot? No? Meet my robot friend and philosopher, Robbi. To be precise, its name is Robbi-999XHA. You may wonder what is Robbi-999XHA. Just as cars, washing machines or xerox machines are of different models with different names, does this strange name also indicate something similar? Yes, you’re absolutely right! It is a particular domestic model of...

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What is the Software for Life?

We all use computers. If you use Windows on your machine, like me, you will have a small button at the the bottom of...

How Far Away are the Stars?

The sun is a star, just like the thousands of others we see in the sky each night. But it looks so very big....

How does a Submarine Work?

Jules Verne in his science fiction, 20,000 Leagues under the Sea, mentions a ship, Nautilus, which could dive beneath the waves and...

Nikola Tesla – Unsung Prophet of Electrical Age

If you ask anyone or check up in the encyclopaedia, who invented the radio or X-rays, chances are you will never come across the...

How do Satellites Stay Up?

Satellites orbit the earth because of the force of gravity. To understand why this happens and why the satellite does not get pulled in...